Azure Bastion Agent Skill

Expert knowledge for Azure Bastion development including best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, and integrations & coding patterns. Use when configuring Bastion for AKS private clusters, VM scale sets, Entra ID auth, hub/spoke VNets, or IP-based cross-VNet access, and other Azure Bastion related development tasks. Not for Azure Virtual Network (use azure-virtual-network), Azure Virtual Machines (use azure-virtual-machines), Azure VPN Gateway (use azure-vpn-gateway), Azure Firewall (use azure-firewall).

2k tokens

context cost

the whole folder, loaded on every use

files

instructions only

copies elsewhere

how many repositories repackaged it

681

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/MicrosoftDocs/Agent-Skills --skill azure-bastion

The instruction itself

10 sections, as written by the author

Azure Bastion Skill

This skill provides expert guidance for Azure Bastion. Covers best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, and integrations & coding patterns. It combines local quick-reference content with remote documentation fetching capabilities.

How to Use This Skill

> IMPORTANT for Agent: Use the Category Index below to locate relevant sections. For categories with line ranges (e.g., L35-L120), use read_file with the specified lines. For categories with file links (e.g., security.md), use read_file on the linked reference file

> IMPORTANT for Agent: If metadata.generated_at is more than 3 months old, suggest the user pull the latest version from the repository. If mcp_microsoftdocs tools are not available, suggest the user install it: Installation Guide

This skill requires network access to fetch documentation content:

Preferred: Use mcp_microsoftdocs:microsoft_docs_fetch with query string from=learn-agent-skill. Returns Markdown.
Fallback: Use fetch_webpage with query string from=learn-agent-skill&accept=text/markdown. Returns Markdown.

Category Index

| Category | Lines | Description |

|----------|-------|-------------|

| Best Practices | L35-L39 | Guidance on reducing Azure Bastion costs through sizing, scaling, and usage patterns while maintaining secure remote access and compliance best practices. |

| Decision Making | L40-L46 | Guidance on choosing and upgrading Bastion SKU tiers and using IP-based Bastion connections across VNets, subscriptions, and environments. |

| Architecture & Design Patterns | L47-L53 | Architectural options and patterns for Azure Bastion: hub/spoke and peered VNets, private-only deployments, network/topology design, and deployment guidance for secure remote access. |

| Limits & Quotas | L54-L58 | Configuring Azure Bastion host scaling limits, including max concurrent RDP/SSH sessions, connection thresholds, and how to adjust or plan capacity for different SKUs. |

| Security | L59-L65 | Configuring secure Azure Bastion access: Entra ID authentication, required NSG rules, and hardening best practices to lock down Bastion hosts and connections. |

| Configuration | L66-L77 | Configuring Azure Bastion features: auth (Kerberos), monitoring/metrics/logs, native client access, session management, recording, and shareable links. |

| Integrations & Coding Patterns | L78-L85 | How to use Azure Bastion with AKS private clusters, VM scale sets, and native Windows/Linux clients, including SSH/RDP connectivity patterns and file transfer via Bastion native clients. |

Best Practices

| Topic | URL |

|-------|-----|

| Optimize Azure Bastion costs without reducing security | https://learn.microsoft.com/en-us/azure/bastion/cost-optimization |

Decision Making

| Topic | URL |

|-------|-----|

| Select the appropriate Azure Bastion SKU tier | https://learn.microsoft.com/en-us/azure/bastion/bastion-sku-comparison |

| Use Azure Bastion IP-based connections across environments | https://learn.microsoft.com/en-us/azure/bastion/connect-ip-address |

| View and upgrade Azure Bastion SKU tiers safely | https://learn.microsoft.com/en-us/azure/bastion/upgrade-sku |

Architecture & Design Patterns

| Topic | URL |

|-------|-----|

| Understand Azure Bastion deployment architectures | https://learn.microsoft.com/en-us/azure/bastion/design-architecture |

| Design and deploy private-only Azure Bastion | https://learn.microsoft.com/en-us/azure/bastion/private-only-deployment |

| Use Azure Bastion with VNet peering architectures | https://learn.microsoft.com/en-us/azure/bastion/vnet-peering |

Limits & Quotas

| Topic | URL |

|-------|-----|

| Configure Azure Bastion host scaling limits | https://learn.microsoft.com/en-us/azure/bastion/configure-host-scaling |

Security

| Topic | URL |

|-------|-----|

| Configure Microsoft Entra ID auth for Azure Bastion | https://learn.microsoft.com/en-us/azure/bastion/bastion-entra-id-authentication |

| Configure Azure Bastion NSG rules for secure access | https://learn.microsoft.com/en-us/azure/bastion/bastion-nsg |

| Harden and secure your Azure Bastion deployment | https://learn.microsoft.com/en-us/azure/bastion/secure-bastion |

Configuration

| Topic | URL |

|-------|-----|

| Azure Bastion configuration settings and options | https://learn.microsoft.com/en-us/azure/bastion/configuration-settings |

| Configure Kerberos authentication for Azure Bastion | https://learn.microsoft.com/en-us/azure/bastion/kerberos-authentication-portal |

| Configure monitoring and diagnostics for Azure Bastion | https://learn.microsoft.com/en-us/azure/bastion/monitor-bastion |

| Reference Azure Bastion monitoring metrics and logs | https://learn.microsoft.com/en-us/azure/bastion/monitor-bastion-reference |

| Configure Azure Bastion for native client access | https://learn.microsoft.com/en-us/azure/bastion/native-client |

| Monitor and manage active Azure Bastion sessions | https://learn.microsoft.com/en-us/azure/bastion/session-monitoring |

| Configure and use Azure Bastion session recording | https://learn.microsoft.com/en-us/azure/bastion/session-recording |

| Create and use Azure Bastion shareable links | https://learn.microsoft.com/en-us/azure/bastion/shareable-link |

Integrations & Coding Patterns

| Topic | URL |

|-------|-----|

| Connect to AKS private clusters via Azure Bastion | https://learn.microsoft.com/en-us/azure/bastion/bastion-connect-to-aks-private-cluster |

| Connect to VM scale sets using Azure Bastion | https://learn.microsoft.com/en-us/azure/bastion/bastion-connect-vm-scale-set |

| Connect from Linux native clients through Azure Bastion | https://learn.microsoft.com/en-us/azure/bastion/connect-vm-native-client-linux |

| Connect from Windows native clients through Azure Bastion | https://learn.microsoft.com/en-us/azure/bastion/connect-vm-native-client-windows |

| Transfer files via Azure Bastion native clients | https://learn.microsoft.com/en-us/azure/bastion/vm-upload-download-native |

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17k tokens

How to use it

Copy the folder

Take microsoftdocs/azure-bastion from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.